METHOD OF ERECTING RIVER HEAD IN HYDRAULIC TUNNEL

摘要

Use: for the construction of the tunnel ends, mating with rivers. SUMMARY OF THE INVENTION: In a flood, after a construction site is constructed, the jumpers develop a pit at a part of its depth, vertical wells are drilled at its bottom 4 and support elements 5 are installed in them, then explosive wells are made in the direction of the outer surfaces of the walls of the tip, undermine by providing a rock break along the line 7 of these wells, and concreting the upper part 8 of the head, then in the low water period they develop the foundation pit to the design depth and width of the head, leaning its upper part 8 on the bearing e elements 5 and concreted lower part of the well head. 1 hp f-ly, 6 ill. with s